Service Manual - Daitsu Clima...12 9 On/Off button / button 3 Fan button Swing button X-Fan button Turbo button Light button 10 Temp button I Feel button Timer button Sleep button

Service ManualModels: ASD 9UI-DB ASD 12UI-DB ASD 18UI-DB ASD 21UI-DB

Technical Information

Service Manual

Model

Power Rated Voltage V~ 220-240 220-240

Hz 50 50

1 1

Cooling Capacity W 2500 3200

Heating Capacity W 2800 3400

W 781 997

W 777 941

A 3.99 4.5

A 3.74 4.4

W 1500 1500

A 6.9 7.2

m3

550/500/430/300/- 550/480/410/290/-

0.8 1.4

EER W/W 3.20 3.21

COP W/W 3.60 3.61

SEER W/W 6.1 6.1

W/W / /

Application Area m2

12-18 16-24

Indoor Unit

Model of Indoor Unit

mm

r/min 1300/1200/1100/850/- 1350/1200/1100/850/-

r/min 1250/1150/1050/900/- 1350/1200/1100/900/-

W 20 20

A 0.22 0.22

1 1

W / /

Pipe Diameter mm 5

mm 2-1.4 2-1.4

mm

Swing Motor Model MP24AN MP24AN

W 1.5 1.5

A 3.15 3.15

dB (A) 40/37/35/28/- 42/37/34/28/-

dB (A) 55/49/47/40/- 55/49/46/40/-

mm

mm

mm

8.5 8.5

9.5 9.5


Service Manual

ZHUHAI LANDA COMPRESSOR

CO.,LTD

ZHUHAI LANDA COMPRESSOR

CO., LTD

Compressor Model

Compressor Oil

Compressor Type Rotary Rotary

L.R.A. A 20 20

Compressor RLA A 4.21 4.21

W 943 943

1NT11L-6233 HPC115/95U1

KSD115

1NT11L-6233 HPC115/95U1

KSD115

Capillary Capillary

Operation TempoC 16~30 16~30

Ambient Temp (Cooling)oC -15~43 -15~43

Ambient Temp (Heating)oC -15~24 -15~24

Pipe Diameter mm

mm 1-1.4 1-1.4

mm

rpm 900 900

W 30 30

A 0.36 0.36

/ /

m3

1600 2200

mm

Climate Type T1 T1

Isolation I I

MPa 4.3 4.3

MPa 2.5 2.5

dB (A) 52/-/- 52/-/-

dB (A) 60/-/- 62/-/-

mm

mm

mm

29 31

31.5 34

Refrigerant R32 R32

0.6 0.65

Connection Pipe

m 5 5

g/m 20 20

mm

mm

m 10 10

m 15 20


Service Manual

Outline Dimension Diagram

Indoor Unit

Unit:mm

Models W H D W1 W2 W3

09/12K 773 250 185 131 462 180

D

H

W

75

35

Φ55

W3W2W1

Φ55

35

75


Service Manual

Outdoor Unit

257 780

596

842

286

540

320

Unit:mm

09K

12K

Unit:mm

320 782

510

712257

286

540


Service Manual

Function and Control

Remote Controller Introduction

Icon Display on Remote Controller

Operation introduction of remote controller

Buttons on Remote Controller

Note:

1

2

5

4

6

7

8

11

12

9

On/Off button

▲/ button

3 Fan button

Swing button

X-Fan button

Turbo button

Light button

10

Temp button

I Feel button

Timer button

Sleep button

Mode button

▲

2

5

7

9

4

12

3

1

6

8

10

11

Send signal

Turbo mode

8 heating function

Set temperature

Set time

TIMER ON /TIMER OFF

Child lock

Up & down swing

Set fan speed

Light function

Temp. display type

:Set temp.

:Outdoor ambient temp.

:Indoor ambient temp.

Sleep mode

Heat mode

Fan mode

Dry mode

Cool mode

Auto mode

Operation mode

I feel functionX-fan mode

health function ventilation operation

“ ” This is a general remote controller. Some models have this function while some do not. Please refer to the

actual models. ● This is a general use remote controller, it could be used for the air conditioners with multifunction; For some function, which

the model doesn't have, if press the corresponding button on the remote controller that the unit will keep the original running status.

●After putting through the power, the air conditioner will give out a sound.Operation indictor " " is ON (red indicator). After that,

you can operate the air conditioner by using remote controller.

● Under on status, pressing the button on the remote controller, the signal icon " "on the display of remote controller will

blink once and the air conditioner will give out a “de” sound, which means the signal has been sent to the air conditioner.

● Under off status, set temperature and clock icon will be displayed on the display of remote controller (If timer on, timer off and

light functions are set, the corresponding icons will be displayed on the display of remote controller at the same time); Under on

status, the display will show the corresponding set function icons.


Service Manual

1. ON/OFF button

2. MODE button

3. FAN button

6. SLEEP button

5. SWING button

Press this button to turn on the unit. Press this button again to turn off the unit.

Each time you press this button,a mode is selected in a sequence that goes from AUTO, COOL, DRY, FAN, and HEAT *,

as the following:

AUTO COOL DRY FAN HEAT*

* Note: Only for models with heating function.

This button is used for setting Fan Speed in the sequence that goes from AUTO, , to , then back to Auto.

4.▲ / button

▲

▲Press / button to increase/decreaseset temperature.In AUTO mode,set temperature is not adjustable.

▲

Press this button to set up & down swing angle.

Auto

OFF

▲

▲

▲

▲

(horizontal louvers

stops at current position)

no display

Fan

Fan

Swing

Swing

Swing

Swing

Swing

Fan

Fan


Service Manual

7. TEMP button

8. TURBO button

9. I FEEL button

10. Timer button

11. X-FAN button

12. LIGHT button

NOTICE:

Press this button, you can see indoor set temperature, indoor ambient temperature on indoor unit’s display. The settingon remote controller is selected circularly as below:

no display

Press this button to activate / deactivate the Turbo function.

Press this button to turn on I FEEL function.

Under ON status, press this button to set timer OFF; Under OFF status, press this button to set timer ON.

Turn on the display's light and press this button again to turn off the display's light.

As for the detailed content of remote controller, please refer to QR code on the cover.

Function introduction for combination buttons

Press " " and " " buttons simultaneously 3s to lock or unlock the keypad. If the remote

pressing any button, blinks three times.

controller is locked, is displayed. In this case, ▲

Combination of " " and " " buttons: About lock▲

▲

▲

About switch between Fahrenheit and centigradeCombination of "MODE" and " " buttons:

▲

At unit OFF, press "MODE" and " " buttons simultaneously to switch between and .

▲

Nixie tube on the remote controller displays

"SE". Repeat the operation to quit the function.

Combination of "TEMP" and "TIMER" buttons: About Energy-saving Function

Press "TEMP" and "TIMER" simultaneously in COOL mode to start e nergy-saving function.

(46 if Fahrenheit is adopted). Repeat the operation to quit the function.

Combination of "TEMP" and "TIMER" buttons: About 8 Heating Function

Press "TEMP" and "TIMER" simultaneously in HEAT mode to start 8 Heating Function Nixie tube on the remote controller displays " "

and a selected temperature of "8 ".

(NOTE:X-FAN is the alternative expression of BLOW for the purpose of understanding.)


Service Manual

WIFI Function

Press this button to turn on the unit. Press this button again to turn off the unit. Press "MODE" and "TURBO" button simultaneously to

and "TURBO" buttons simultaneously for 10s, remote controller will send WIFI reset code and then the WIFI function will be turned on.

WIFI function is defaulted ON after energization of the remote controller.

turn on or turn off WIFI function. When WIFI function is turned on, the " " icon will be displayed on remote controller; Long press "MODE"

● This function is only available for some models.

Replacement of batteries in remote controller

Emergency operation

If remote controller is lost or damaged, please use auxiliary button to turn on or turn off the air conditioner.

When the air conditioner is turned on, it will operate under auto mode.aux. button

panel

WARNING:

Use insulated object to press the auto button

As shown in the fig.Open panel ,press aux.button to turn on or turn off the air conditioner.

The operation in details are as below:

1. Press the back side of remote controller marked

the cover of battery box along the arrow direction.

2. Replace two 7# (AAA 1.5V) dry batteries, and make sure the position of "+" polar and "-" polar

are correct.

3. Reinstall the cover of battery box.

signal sender battery

Cover of battery box

remove

reinstall

Installation and Maintenance

Service Manual

Brief Description of Modes and Functions

1.Basic function of system

(1)Cooling modeOC.

(2)Drying modeOC.

(3)Heating modeOC.

(4)Working method for AUTO mode:

O O

(5)Fan mode

OC.

2. Other control

(1) Buzzer

(2) Auto button

(3) Auto fan

(4) Sleep

(5) Timer function:

(6) Memory function

(7) Health function

Indoor Unit


Service Manual

(8)I feel control mode

(9)Entry condition for compulsory defrosting functionOC (or 16.5

O

(10)Refrigerant recovery function:O

(11)Ambient temperature display control mode

displayed.

OC.

(12)Off-peak energization function:

(13) SE control mode

(14) X-fan mode

(15) 8OC heating function

O O

(16)Turbo function


Service Manual

1. Cooling mode:

Indoor fan operates according to set fan speed.

according to set fan speed.

2. Drying mode

fan will operate at low fan speed.

Tpreset-2

.

3. Fan mode

.

4. Heating mode

1

30

will be energized in 2~3mins delay.

5. Freon recovery mode

6. Compulsory defrosting

Outdoor Unit


Service Manual

7. Auto mode

8. 8OC heating

OC. Display board of IDU displays 8

OC.

When power on, communication light will be blinking in a normal way (after receiving a group of correct signals,

blinking stops for 0.2s~0.3s). If theres no communication, communication light will be always on. If other ODU has

malfunction, communication light will be on for 1s and off for 1s in a circular way.


Service Manual

1. Select the installation location according to the require-

ment of this manual.(See the requirements in installation

part)

2. Handle unit transportation with care; the unit should not

be carried by only one person if it is more than 20kg.

-

4. Ware safety belt if the height of working is above 2m.

5. Use equipped components or appointed components dur-

ing installation.

-

ishing installation.

Electrical Safety Precautions:

Notes for Installation and Maintenance

Safety Precautions:

Important!Please read the safety precautions carefully before

installation and maintenance.

The following contents are very important for installation

and maintenance.

Please follow the instructions below.

instructions.

electrical codes.

manual.

technician according to local regulations and the

instructions given in this manual.

incorrect operation to prevent electric shock, casualty and

other accidents.

1. Cut off the power supply of air conditioner before

checking and maintenance.

2. The air condition must apply specialized circuit and

prohibit share the same circuit with other appliances.

3. The air conditioner should be installed in suitable

location and ensure the power plug is touchable.

during installation and maintenance.

5. Have the unit adequately grounded. The grounding

wire cant be used for other purposes.

6. Must apply protective accessories such as protective

boards, cable-cross loop and wire clip.

7. The live wire, neutral wire and grounding wire of

power supply must be corresponding to the live wire,

neutral wire and grounding wire of the air conditioner.

8. The power cord and power connection wires cant be

pressed by hard objects.

9. If power cord or connection wire is broken, it must be

poisonous gas; Prohibit prolong the connection pipe by

welding.

any other refrigerant. Never have air remain in the refrigerant

line as it may lead to rupture or other hazards.

3. Make sure no refrigerant gas is leaking out when

installation is completed.

measure to minimize the density of refrigerant.

5. Never touch the refrigerant piping or compressor without

wearing glove to avoid scald or frostbite.

Warnings

Refrigerant Safety Precautions:

electric shock or injury.

Installation Safety Precautions:

Part : Installation and Maintenance

10. If the power cord or connection wire is not long enough,

please get the specialized power cord or connection wire

from the manufacture or distributor. Prohibit prolong the wire

by yourself.

11. For the air conditioner without plug, an air switch must

be installed in the circuit. The air switch should be all-pole

parting and the contact parting distance should be more than

3mm.

12. Make sure all wires and pipes are connected properly and

the valves are opened before energizing.

13. Check if there is electric leakage on the unit body. If yes,

please eliminate the electric leakage.

if it is burnt down; dont replace it with a cooper wire or

conducting wire.

15. If the unit is to be installed in a humid place, the circuit

breaker must be installed.


Service Manual

refrigerant.

Any presence of air or other foreign substance in the refrigerant

circuit will cause system pressure rise or compressor rupture,

resulting in injury.

which is not comply with that on the nameplate or unqualified

refrigerant.Otherwise, it may cause abnormal operation, wrong

action, mechanical malfunction or even series safety accident.

repairing the unit, be sure that the unit is running in cooling mode.

Then, fully close the valve at high pressure side (liquid valve).About

30-40 seconds later, fully close the valve at low pressure side (gas

valve), immediately stop the unit and disconnect power. Please note

that the time for refrigerant recovery should not exceed 1 minute.

If refrigerant recovery takes too much time, air may be sucked in and

cause pressure rise or compressor rupture, resulting in injury.

valve are fully closed and power is disconnected before detaching

the connection pipe.

If compressor starts running when stop valve is open and connection

pipe is not yet connected, air will be sucked in and cause pressure

rise or compressor rupture, resulting in injury.

connected before the compressor starts running.

If compressor starts running when stop valve is open and connection

pipe is not yet connected, air will be sucked in and cause pressure

rise or compressor rupture, resulting in injury.

If there leaked gas around the unit, it may cause explosion and other

accidents.

wire is not long enough, please contact a local service center

authorized and ask for a proper electric wire.

the indoor and outdoor units. Firmly clamp the wires so that their

terminals receive no external stresses.

To ensure safety, please be mindful of the following

precautions.


Service Manual

Safety Precautions for Installing and Relocating the Unit:

Warnings

To ensure safety, please be mindful of the following precautions.

1. When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the

2.When installing or moving this unit, do not charge the refrigerant which is not comply with that on the nameplate or

3.When refrigerant needs to be recovered during relocating or repairing the unit, be sure that the unit is running in cooling

mode.Then, fully close the valve at high pressure side (liquid valve).About 30-40 seconds later, fully close the valve at low

pressure side (gas valve), immediately stop the unit and disconnect power. Please note that the time for refrigerant recovery

should not exceed 1 minute.

4.During refrigerant recovery, make sure that liquid valve and gas valve are fully closed and power is disconnected before

detaching the connection pipe.

5.When installing the unit, make sure that connection pipe is securely connected before the compressor starts running.

7.Do not use extension cords for electrical connections. If the electric wire is not long enough, please contact a local service

center authorized and ask for a proper electric wire.

that their terminals receive no external stresses.

Safety Precautions for Refrigerant

the greenhouse effect is also lower. R32 has got very good thermodynamic features which lead to a really high energy

WARNING:

personnel may be dangerous. The appliance shall be stored in a room without continuously operating ignition sources. (for

not contain odour.


Service Manual

Safety Operation of Flammable Refrigerant

Installation notes

operating heater).

The minimum room area is shown on the nameplate or following table a.

table a - Minimum room area(m2)

Maintenance notes

— Its only allowed to be operated in the rooms that meet the requirement of the nameplate.

— The continuous ventilation status should be kept during the operation process.

— Replace the vague or damaged warning mark.

Welding

a. Shut down the unit and cut power supply

b. Eliminate the refrigerant

c. Vacuuming

d. Clean it with N2 gas

e. Cutting or welding

f. Carry back to the service spot for welding

Filling the refrigerant

each other.

when its removed.

Safety instructions for transportation and storage


Service Manual

Main Tools for Installation and Maintenance

1. Level meter, measuring tape

4. Electroprobe

7. Electronic leakage detector

10. Pipe pliers, pipe cutter

2. Screw driver

5. Universal meter

8. Vacuum pump

11. Pipe expander, pipe bender

3. Impact drill, drill head, electric drill

6. Torque wrench, open-end wrench, inner

hexagon spanner

9. Pressure meter

12. Soldering appliance, refrigerant container


Service Manual

Installation

Installation Dimension Diagram

Drainage pipe

At

lea

st

25

0cm

At

lea

st

15

cm

At

lea

st

50

cm

At least 50cm

At least

30cm

At least 3

00cm

Sp

ace

to

th

e o

bstr

uctio

n

Space to theobstruction

Space to th

e

obstructio

n

Space to the c

eili

ng

Space to th

e obstructio

n

Space to th

e obstructio

n

At least 30cm

At least 15cmAt least 15cm

Space to the wall

Space to the wall

Space to the wall

At least 2

00cm


Service Manual

Preparation before installation

Prepare toolsRead the requirements

for electric connection

select installation

location

Select indoor unit

installation location

Install wall-mounting

frame, drill wall holes

Connect pipes of indoor

unit and drainage pipe

Connect wires of indoor unit

Connect wires of outdoor unit

Bind up pipes and

hang the indoor unit

Make the bound pipes pass

through the wall hole and then

connect outdoor unit

Neaten the pipes

Vacuum pumping and leakage detection

Check after installation and test operation

Finish installation

Note: this flow is only for reference; please find the more detailed installation steps in this section.

Select outdoor unit

installation location

Install the support of outdoor unit

(select it according to the actual situation)

Install drainage joint of outdoor unit

(only for cooling and heating unit)

Connect pipes of outdoor unit

Start installation

Fix outdoor unit

Installation procedures


Service Manual

No. Name No. Name

1 8

2 9 Wrapping tape

3 Connection pipe 10

4 Drainage pipe 11

5frame

12

6Connecting

cable(power cord)13

remote controller

7 Wall pipe

1. Safety Precaution

conditioner.

Installation Parts-Checking Requirements for electric connection

Installation of Indoor Unit

2. Grounding Requirement:

accessible.

1. Choosing Installation Iocation

2. Install Wall-mounting Frame

Selection of Installation Location

1. Basic Requirement:

2. Indoor Unit:

appliance.

3. Outdoor Unit:

wind.

installation dimension diagram.

Note:

Air-conditioner

09K 10A

12K 13A


Service Manual

Outletpipe

Drain hose

Drain hose

Tape

Outlet pipe

Insulating pipe

Torque wrench

Open-end

wrench

Indoor pipe

Pipe

Union nut

Union nutPipe joint Pipe

.m)

15~20

30~40

45~55

60~65

70~75

Left Rear left

RightRear right

Cut off

the hole

Left Right Drain hose

Insulating pipe

Φ55mm

Indoor Outdoor

3. Install Wall-mounting Frame

5. Connect the Pipe of Indoor Unit

6. Install Drain Hose

4. Outlet Pipe

Note:

Note:

Left

Wall

Φ55mmRight

Mark in the middle of it Level meter

Rear piping hole

Wall

Space

to the

wall

above

150mm

Space

to the

wall

above

150mm

Φ55mm

Rear piping hole


Service Manual

Indoor unit Gas

pipe

Indoor andoutdoor power cord

Liquid

pipe

Drain hose

Band

Drain hoseBandConnection pipe

Indoor power cord

Wiring cover

ScrewPanel

Power connectionwire

Cable-crosshole

connected by a professional.

winding.

7. Connect Wire of Indoor Unit 8. Bind up Pipe

9. Hang the Indoor Unit

Note:

Note:

Note:

Indoor Outdoor

Wall pipeSealing gum

Upper hook

Lower hook ofwall-mounting frame

N(1) 2 3

blue brownblackyellow-

green

Outdoor unit connection


Service Manual

screws are needed.

Note:

Note:

Note:

The drain hoscan't raiseupwards

gas pipe

Liquid pipe

Liquidvalve

gas valveUnion nut

Pipe joint

Foot holes

Foot holes

Installation of Outdoor unit1. Fix the Support of Outdoor Unit(Select it according to the actual installation situation)

expansion screws.

5. Connect Outdoor Electric Wire

6. Neaten the Pipes

10cm.

2. Install Drain Joint(Only for cooling and heating unit)

3. Fix Outdoor Unit

4. Connect Indoor and Outdoor Pipes

.m)

15~20

30~40

45~55

60~65

70~75

handle

Indoor unit connection

yellow-green

yellow-green

brownbrownblue blueblack

(black)

N L

N(1) 2 3

POWERLN

At least 3cm above the floor

Chassis

Outdoor drain jointDrain hose

Drain vent

Handle

Screw

U-shaped curve

Wall

Drain hose


Service Manual

Liquid valve

Gas valve

Refrigerant charging

vent

Nut of refrigerant

Charging vent

Vacuum pump

Piezometer

Valve cap

Lo Hi

Inner hexagonspanner

Open

Close

The drain hose can't be fluctuant

The drain hose

can't be fluctuantThe water

outlet can't be

fluctuant

NO.

1emit noise.

2

3water dripping.

4water dripping.

5

6

Is electric wiring and

pipeline installed

7

8

9

10

11

12

eletricity.

The water outlet can't be placedin water

1. Use Vacuum Pump

2. Test Operation

(1) Preparation of test operation

controller to start operation.

conditioner cant start cooling.

2. Leakage Detection

8.7 Vacuum Pumping and Leak

Detection

Check after Installation and Test

operation

1. Check after Installation

installation.

Documents

Service Manual - Daitsu Clima...12 9 On/Off button / button 3 Fan button Swing button X-Fan button Turbo button Light button 10 Temp button I Feel button Timer button Sleep button